WINDS (Wideband InterNetworking engineering test and Demonstration Satellite, also known as Kizuna), is a Japanese communication satellite. Launch was originally scheduled for 2007. The launch date was eventually set for Feb. 15 2008, however a problem detected in a second stage manoeuvring thruster delayed it to Feb. 23. t will be used to relay the internet to Japanese homes and businesses, through Ka-band signals-wikipedia